condition	mean	min	max
4 h after light	16.643566666666665	10.4896	20.8553
8 h after light	9.874979999999999	1.75214	16.8117
12 h after light	10.89568	6.11524	15.3756
4 h after dark	14.84853	8.84619	18.3791
8 h after dark	22.1954	12.4983	31.7064
12 h after dark	29.2333	20.9631	39.8943